Attempt to fix tests by using getInternalPath().

src/Tests/XmlSitemapEntityFunctionalTest.php

@@ -88,9 +88,9 @@ class XmlSitemapEntityFunctionalTest extends XmlSitemapTestBase {
     ]);
 
     $this->regenerateSitemap();
-    $this->drupalGet('sitemap.xml');
+    $this->drupalGetSitemap();
     $this->assertResponse(200);
-    $this->assertNoRaw($entity->url());
+    $this->assertNoRaw($entity->toUrl()->getInternalPath());
 
     $entity->delete();
     $this->assertNoSitemapLink('entity_test_mul');
@@ -111,9 +111,9 @@ class XmlSitemapEntityFunctionalTest extends XmlSitemapTestBase {
     ]);
 
     $this->regenerateSitemap();
-    $this->drupalGet('sitemap.xml');
+    $this->drupalGetSitemap();
     $this->assertResponse(200);
-    $this->assertRaw($entity->url());
+    $this->assertRaw($entity->toUrl()->getInternalPath());
 
     $id = $entity->id();
     $entity->delete();